Robert schaellibaum



(No Model.) I

R. SGHAELLIBAUM.

I COTTON OPENER, 6w. No. 447,365. Patented Mar. 3, 1891.

UNITED STATES PATENT OFFICE.

ROBERT SCHAELLIBAUM, OF MANCHESTER, ENGLAND.

COTTON-OPEN ER, 86C- SPECIFICATION forming part of Letters Patent No.447,365, dated March 3, 1891. Application filed June 2, 1890. -Sen'alNo. 354,027. (No model.) Patented in England June 13, 1885, No. 7,228.

date June 13,1885,) of which the following is a specification.

My invention relates to improvements in openers, scutchers, 850., usedin the preparation of cotton or other fibers, with the exception of whatare known as Cright-on openers, and has for its object to make suchmachines more efficient in opening the cotton or.

other fibers and extracting impurities therefrom than heretofore hasbeen the case. I attain this by the means illustrated in theaccompanying drawings, in which Figures 1 and 2 are vertical sectionsshowing myimprovements as applied to an opener of the Taylor and Langsystem. Figs. 3 and 4 are vertical sections showing my improvementsapplied to scutchers;

Similar lettersrefer to similar parts throughout the several views.

In carrying out my invention and when applying the same to all kinds ofopeners (except Crighton openers) it consists of a stationary comb A inFig. 1, fixed over the beater or cylinderf in close proximity therewith,in combination with the usual knifeedged grid B. The said comb A isconstructed with a metal plate or foundation a, provided with steelpins 1) and in section generally a parallelogram, the top edge thusforming a knife and acting like the top edges of the usual knife-edgedgrid-bars g employed in these machines. The pins 1), which may be of around or flat section, are set at such a distance from each other thatthe largest impurities which generally happen to pass on with the cottonin the respective machines are permitted to pass between the pins 1),thus preventing anything from sticking between the pins which wouldnecessitate stripping or cleaning. The pins 17 are set at an angle totheir plate or foundation a with the points thereof and knife-edge ofthe plate or foundation a inclined against the direction in which thecotton is moving, thus afiording the most grip. The points of eachlongitudinal row of pins 1) are arranged gradually nearer to the beateror cylinder f than the preceding ones in the direction in which thecotton moves, in order to insure an equal strain on all the rows of pinsb. This is attained by either forming each longitudinal row of pins 1)gradually longer than the preceding one, as shown in Fig. 1, or byforming all of one length and fixing their plate or foundation (1 at anangle to the heater or cylinderf, as shown in Fig. 2.

WVhen applying my invention to a scutcher, and also to a certain kind ofopeners, the stationary comb A described is employed in combination withthe grid 13 below the feedroller, either, as shown in Fig. 3, havingteeth growing gradually longer, or, as shown in Fig. 4, having teeth allof one length. The grid B consists of a suitable number of knifeedgedmetalbars got the section as illustrated in Figs. 3 and at, and carriedby and arranged to slide in a groove in the bracket h, and kept thereinapart from each other by means of blocks 72., the stationary comb Abeing suitably fastened to the bracket h. The inclination of the bars gto the radius of the beatert' or cylinderincreases from the top to thebottom-,and also the distance of the bars g from each other in the samedirection for the purpose of obtaining a uniform draft of air throughthe grid B from the top to the bottom. This combination is intended forsoutchers and openers with small porcupines, and for the feedingarrangement of Crighton openers.

What I claim as my invention, and desire to secure by Letters Patent, is

In an opener or scutcher, the comb A, having a knife-edged plate orfoundation a, and pins b, inclined against the direction in which thecotton moves, the points of each longitudinal row-of which in the samedirection are gradually nearer to the beater or cylinder f than thepreceding row, in'combination with a knife-edged grid B, substantiallyas and for the purpose set forth.

ROBERT sonAELLIBAUMf Witnesses:

ALFRED BOSSHARDT, STANLEY EGERTON BRAMALL.

